[nrf51822][gcc_arm][c++]: fix 'impossible constraint in asm' error, used by ble app
[nrf51822][gcc_arm]: fix softdevice path and srec_cat params of makefile templates
Added dynamic test printing
Fixed missing STDOUT in Echo test

Fixed missing opening and closing brackets in {{start}}
Fixed NET_(4,6,13) client tests so after reset we wait for device to send print it's ready

Fixed small print issue with -V option
Improvements to RTC's host_test test case
Merge pull request #468 from xiongyihui/dev

[nrf51822][gcc_arm]: fix makefile templates and nrf_svc.h's 'impossible constraint in asm' error
Merge branch 'master' of https://github.com/mbedmicro/mbed